122 lines
3.2 KiB
C#
122 lines
3.2 KiB
C#
/*
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Copyright (C) 2012 Jeroen Frijters
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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Jeroen Frijters
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jeroen@frijters.net
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*/
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using System;
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using System.Collections.Generic;
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namespace IKVM.Reflection.Emit
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{
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public struct ExceptionHandler : IEquatable<ExceptionHandler>
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{
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private readonly int tryOffset;
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private readonly int tryLength;
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private readonly int filterOffset;
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private readonly int handlerOffset;
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private readonly int handlerLength;
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private readonly ExceptionHandlingClauseOptions kind;
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private readonly int exceptionTypeToken;
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public ExceptionHandler(int tryOffset, int tryLength, int filterOffset, int handlerOffset, int handlerLength, ExceptionHandlingClauseOptions kind, int exceptionTypeToken)
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{
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if (tryOffset < 0 || tryLength < 0 || filterOffset < 0 || handlerOffset < 0 || handlerLength < 0)
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{
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throw new ArgumentOutOfRangeException();
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}
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this.tryOffset = tryOffset;
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this.tryLength = tryLength;
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this.filterOffset = filterOffset;
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this.handlerOffset = handlerOffset;
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this.handlerLength = handlerLength;
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this.kind = kind;
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this.exceptionTypeToken = exceptionTypeToken;
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}
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public int TryOffset
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{
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get { return tryOffset; }
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}
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public int TryLength
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{
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get { return tryLength; }
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}
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public int FilterOffset
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{
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get { return filterOffset; }
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}
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public int HandlerOffset
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{
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get { return handlerOffset; }
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}
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public int HandlerLength
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{
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get { return handlerLength; }
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}
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public ExceptionHandlingClauseOptions Kind
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{
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get { return kind; }
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}
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public int ExceptionTypeToken
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{
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get { return exceptionTypeToken; }
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}
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public bool Equals(ExceptionHandler other)
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{
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return tryOffset == other.tryOffset
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&& tryLength == other.tryLength
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&& filterOffset == other.filterOffset
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&& handlerOffset == other.handlerOffset
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&& handlerLength == other.handlerLength
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&& kind == other.kind
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&& exceptionTypeToken == other.exceptionTypeToken;
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}
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public override bool Equals(object obj)
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{
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ExceptionHandler? other = obj as ExceptionHandler?;
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return other != null && Equals(other.Value);
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}
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public override int GetHashCode()
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{
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return tryOffset ^ tryLength * 33 ^ filterOffset * 333 ^ handlerOffset * 3333 ^ handlerLength * 33333;
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}
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public static bool operator ==(ExceptionHandler left, ExceptionHandler right)
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{
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return left.Equals(right);
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}
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public static bool operator !=(ExceptionHandler left, ExceptionHandler right)
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{
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return !left.Equals(right);
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}
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}
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}
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